How to Repair an Ignition Lock Cylinder
If your car's key isn't turning and it's time to replace the cylinder for ignition lock. The lock cylinder is a tumbler made of mechanical which your key slides into, in contrast to the switch that is an electrical part of the ignition system.
Over time, "wafers" can break or wear out. WD-40 and graphite can temporarily fix the issue but replacing the tumblers is the only way to fix it.
Removal of the steering column
Modern cars do not use steering column locks. Instead, they have keys that are used to start the car by pressing and turning an on the dash panel. This newer system works much better and is much simpler than the old lock-cylinder method. However, there are older cars that still use the traditional ignition lock cylinder. If this part fails, it could be required to replace it in order to allow the car to start. This is a job that should be left to experts.
Remove the trim panels that cover the lower and upper column of the steering with a screwdriver. This will allow you access to the area surrounding the steering column.
On the side of the column that is closest to the driver, you'll see an Allen head bolt that holds the assembly of the wiper and signal. Take this bolt off and set it aside. Depending on your car's year you might see three or four small screws with flat heads that keep the plastic that covers the turn signal switch in place. Remove these screws and set them aside.
To access the lock cylinder, you'll have to take off the wiper/signal unit. This will require the use of a specific tool or you can ghetto to do it using the help of a piece of metal, such as a cold chisel. A locksmith can also use an instrument to remove bolts.
If the key cannot be placed into the ignition switch, it's likely that the lock cylinder is stuck. Try inserting the key, then moving it to the ACC position to release the lock cylinder pin, or you can call an expert locksmith for assistance.
A locksmith will be able to make use of a shear cylinder removal tool or they can cut the pin from the lock cylinder using an electric torch, and then shave it to remove it from the assembly. They will be able to re-key the cylinder to match your existing keys and will help you save the cost of buying a new ignition cylinder.
Replace the Ignition Cylinder
The ignition Cylinder is the cylindrical mechanical part which houses and locks your car's key. The cylinder is affixed to the key and "reads" the anti-theft code to allow or denial of the starting of your vehicle. The cylinder is susceptible to wear and tear over time. It could also break or become bent. If this happens, the cylinder will need to be replaced to allow your car to start.
Symptoms of a broken or worn cylinder are issues with turning the key, or the ignition switch not advancing into the ACC or RUN position, or a warning light appearing on the dashboard. If you have an extra key, use it in the lock. You might be able smooth the cylinder using graphite or WD-40, however this method only works for a limited time.
Replace the ignition cylinder if you have an additional key. Follow the steps above to install the new ignition cylinder. Install the new ignition cylinder making sure it's properly placed into the steering column tube flange and aligned to the keyway on the shroud. Refer to the car's manual or an expert to ensure that the cylinder is properly aligned.
Once the cylinder is installed, turn the key to the ACC or RUN position. Watch for a click which signifies that the ignition switch has been fully installed in the cylinder. If your vehicle has an anti-theft device, you will need to follow the anti-theft relearn procedure to programme the new ignition cylinder into your key.
Some experts suggest having a professional replace the ignition cylinder since it is usually required to deactivate the airbag in the steering column to access the cylinder. Furthermore, the replacement will likely involve removal and replacement of the steering wheel and ignition covers. For these reasons, this is a job that should be left to a skilled mechanic. They'll be able to remove the cover on the steering column and then properly install a new ignition lock cylinder to your vehicle. They will also be able ensure that the ignition lock cylinder has been programmed by your key and that it starts correctly when you insert it.
Installing the Ignition Cylinder
While ignition lock cylinders are becoming less essential in modern vehicles because of advances in remote start and push-to-start systems, they're prevalent on older vehicles. If your ignition switch or key is stuck, or you're having trouble starting the vehicle, a defective ignition lock cylinder could be the reason. It's a good thing that it's fairly easy to replace your car's ignition lock cylinder and repair the issue.
The ignition cylinder is a mechanical component of the system that slides into the ignition switch of your vehicle and supplies power to the rest the engine. While many people confuse the phrase "ignition switch" with the ignition cylinder, they're actually two separate parts. The switch is the electronic component that connects to the computer in your car and transmits signals to activate the motor when you turn the key.
The pins on the cylinders of ignition locks move upwards and downwards, allowing your key to slide and rotate inside the cylinder. G28 Car Keys of the key and cylinder creates friction, which keeps the key in its place. However, as time passes the wafer tumblers may wear out. If the tumblers wear down, your car's key won't be able slide into or turn the cylinder.
A worn-out ignition cylinder is usually the first sign of trouble in most vehicles. The key may also get stuck and be difficult to insert into or out of the ignition lock cylinder. These are signs that you should replace your ignition lock cylinder as fast as you can.
It's easy to change your ignition cylinder, however, you should only do it if you are confident that you can follow the proper procedure for your car's specific model and make. A full repair manual for your car will assist you in getting the job done quickly and correctly. If you're not comfortable installing the ignition cylinder on your own, have one of our ASE certified mobile mechanics perform the repair for you at a time and location that is convenient for you.
Testing the Ignition Cylinder
The ignition lock cylinder is a mechanical component that is fitted to your key and allows it to rotate and start your vehicle. It's affixed to the ignition switch, which locks the ignition and reads anti-theft coding to authorize the key to turn. The ignition lock cylinder will wear out and eventually fail. This could cause issues with the vehicle's power supply or make it difficult to insert and remove keys.
Some of the main indications that your car's lock-cylinder is in danger of failing is difficulty starting it or finding areas where the key is caught when you turn it. These issues are typically an indication that the cylinder must be replaced. In some instances you may notice a warning light on your dashboard that indicates an imminent failure.
As the cylinder age, it can become damaged due to corrosion or wear and wear and tear. This can cause the pins and tumblers to break down, damage or break, preventing the ignition of your car from unlocking. In some instances the ignition may work if you jostle it into different positions but this is a warning sign that something could be wrong.
You can check the cylinder's ignition to see whether it's worn-out or if the key is bent or damaged. You can use a multimeter to check whether there is a voltage difference between the red wire connector of the module and the battery terminal of the ignition coil. If you do not find any voltage, the module and switch will most likely need to be replaced.
It is best to engage a professional mechanic to repair the ignition cylinder as it can cost anywhere between $200 to $300. It can be complicated because you may have to remove other components, such as the steering column to get to the ignition cylinder. The replacement process may require you to deactivate the airbag system and reprogramme your key in order to work with the new ignition cylinder. This is typically done at the dealership however, you can learn how to do it yourself using the right tools and instructions.